22121120002011 has 16 divisors (see below), whose sum is σ = 29513916579840. Its totient is φ = 14737871003040.

The previous prime is 22121120001941. The next prime is 22121120002013. The reversal of 22121120002011 is 11020002112122.

It is not a de Polignac number, because 22121120002011 - 2¹⁵ = 22121119969243 is a prime.

It is a super-2 number, since 2×22121120002011² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22121120002013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33783616 + ... + 34432178.

It is an arithmetic number, because the mean of its divisors is an integer number (1844619786240).

Almost surely, 2^{22121120002011} is an apocalyptic number.

22121120002011 is a deficient number, since it is larger than the sum of its proper divisors (7392796577829).

22121120002011 is a wasteful number, since it uses less digits than its factorization.

22121120002011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655906.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22121120002011 its reverse (11020002112122), we get a palindrome (33141122114133).

The spelling of 22121120002011 in words is "twenty-two trillion, one hundred twenty-one billion, one hundred twenty million, two thousand, eleven".